hey guys i have a 96 12v auto 3500 4x4.... i noticed yesterday their was a lot of trans fluid on my front end i tracked down the leak and fix it... crack in the trans cooler line.... i filled the trans back up took 4 qts, today i was out driving around and unless i was on the freeway i could not keep it under 160 deg at one point she hit 190... anyone have an idea how this could be fixed or whats wrong?